Professional-quality, butane-powered torches. Both models feature a built-in, refillable tank and incorporate a self-igniting switch that meets the new safety requirements of the Consumer Products Safety Commission. - Master MT-51 MicrotorchHAND HELD MICROTORCH - The MT-51 has a fuel capacity of 120 minutes on a full charge. Its handle design ensures a non-slip grip, making it ideal for soldering and desoldering, for use as a pinpoint torch, for terminating specialty connectors, and for hobby and jewelry applications. The MT-51 weighs 5 oz, and measures 6.1"H × 3"W × 1.3"D.